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Titre du document / Document title

Analytical solution of the Ornstein-Zernike equation for a multicomponent fluid with a screened Coulomb plus power series interaction

Auteur(s) / Author(s)

YASUTOMI M. (1) ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

(1) Department of Physics and Earth Sciences, College of Science, University of the Ryukyus, Nishihara-Cho, Okinawa 903-0213, JAPON

Résumé / Abstract

The analytical solution of the Ornstein-Zernike equation with a Sogami-Ise type closure for a multicomponent fluid discussed in our previous work (Yasutomi and Ginoza 2000 J. Phys.: Condens. Matter 12 L605) is extended to a more general case that cij(r) = Σn=1 ΣLτ=-1 Kij(n,τ)znr+lrτe-znr σij < r where Cij(r) is the direct correlation function, r is the interparticle separation, Kij(n,τ) and Zn are constants, σij is the distance at contact of the pair (i, j) of particles. Almost all of the interaction potentials between particles (such as a potential due to diffuse electric double layer, van der Waals potential, steric potential and so on) can be well approximated by the above closure. In this sense the present analytical solution will be applicable to a large variety of colloidal fluids under the mean-spherical-approximation (MSA).

Revue / Journal Title

Journal of physics. Condensed matter    ISSN  0953-8984   CODEN JCOMEL 

Source / Source

2001, vol. 13, no11, pp. L255-L260 (19 ref.)

Langue / Language

Anglais

Editeur / Publisher

Institute of Physics, Bristol, ROYAUME-UNI  (1989) (Revue)

Mots-clés anglais / English Keywords

Colloidal suspension

;

Analytical solution

;

Ornstein Zernike equation

;

Shielding effect

;

Coulomb interaction

;

Correlation function

;

Interaction potential

;

Mean spherical approximation

;

Theoretical study

;

Mots-clés français / French Keywords

Suspension colloïdale

;

Solution analytique

;

Equation Ornstein Zernike

;

Effet écran

;

Interaction coulombienne

;

Fonction corrélation

;

Potentiel interaction

;

Approximation sphérique moyenne

;

Etude théorique

;

Mots-clés espagnols / Spanish Keywords

Suspensión coloidal

;

Ecuación Ornstein Zernike

;

Efecto pantalla

;

Interacción coulombiana

;

Función correlación

;

Potencial interacción

;

Aproximación esférica media

;

Estudio teórico

;

Localisation / Location

INIST-CNRS, Cote INIST : 577 E2, 35400009457541.0060

Nº notice refdoc (ud4) : 918139



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